California Code, Health and Safety Code - HSC § 101045

(a) The county health officer shall, at least annually, investigate health and sanitary conditions in a county jail, publicly operated detention facility in the county, and private work furlough facility and program established pursuant to Section 1208 of the Penal Code. A private work furlough facility and program shall pay an annual fee to the county health officer commensurate with the annual cost of those investigations, as determined by the county health officer. The county health officer may make additional investigations of a county jail, private detention facility, or other detention facility of the county as they determine necessary. The county health officer shall submit a report to the Board of State and Community Corrections, the sheriff or other person in charge of the jail or detention facility, and to the board of supervisors. In a city having a health officer, the city health officer shall, at least annually, investigate health and sanitary conditions in a city jail and other detention facility. The city health officer may make additional investigations of a city jail, private detention facility, or other detention facility as they determine necessary. The city health officer shall submit a report to the Board of State and Community Corrections, the person in charge of the jail or detention facility, and to the city governing body.

(b) Whenever requested by the sheriff, the chief of police, local legislative body, or the Board of State and Community Corrections, but not more often than twice annually, the county health officer or, in cities having a city health officer, the city health officer, shall investigate health and sanitary conditions in a jail or detention facility described in this section, and submit a report to each of the officers and agencies authorized in this section to request the investigation and to the Board of State and Community Corrections.

(c) The investigating officer shall determine if the food, clothing, and bedding is of sufficient quantity and quality that at least shall equal minimum standards and requirements prescribed by the Board of State and Community Corrections for the feeding, clothing, and care of prisoners in local jails and detention facilities, and if the sanitation requirements required by Article 1 (commencing with Section 114250) of Chapter 8 of Part 7 of Division 104 for restaurants have been maintained.

(d) For purposes of this section, “private detention facility” has the same meaning as in Section 7320 of the Government Code.